I'm curious about the cranks I see on your trike. They appear to support different pedal mounting locations, thus different crank lengths. Am I seeing this correctly or am I hallucinating? If these are indeed "adjustable" cranks, would you mind sharing make/model, please?

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2011 Sun EZ Sport CX
Wifes trike-- SUN-E2-3SX
If you are not grinning, you ain't doing it right
The technique is simple .... spin your way up and pucker up on the way down. You're gonna get addicted ... just like the rest of us.

I'm curious about the cranks I see on your trike. They appear to support different pedal mounting locations, thus different crank lengths. Am I seeing this correctly or am I hallucinating? If these are indeed "adjustable" cranks, would you mind sharing make/model, please?

I wanted shorter cranks but specified for my chainrings. Guess they just drilled what they had?